In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

A wind instrument is a musical instrument that contains some type of resonator ( usually a tube ) , in which a column of air is set into vibration by the player blowing into ( or over ) a mouthpiece set at or near the end of the resonator .
A wind instrument is a type of musical instrument where the player blows into ( or over ) a mouthpiece to produce sound .